diff --git a/libs/matrix-structs b/libs/matrix-structs
index 582c6956..ac12b8c6 160000
--- a/libs/matrix-structs
+++ b/libs/matrix-structs
@@ -1 +1 @@
-Subproject commit 582c6956c464e80f738c57ded239c3fb613f1c24
+Subproject commit ac12b8c60becfb593779ab3f25ff0cfe1547fdfe